condition mean min max 12pM Fe,Midday 23.9986 23.9986 23.9986 12pM Fe,Midnight 18.248600000000003 17.2005 19.2967 58pM Fe,Midday 21.522 21.522 21.522 58pM Fe,Midnight 29.514685714285715 12.591 115.286 233pM Fe,Midnight 10.545056666666667 8.88657 11.6601 1160pM Fe,Midday 13.774294285714285 9.61466 15.9456 1160pM Fe,Midnight 9.686946666666667 5.17265 15.383 High carbon,Dark 13.350234 5.66265 34.4382 High carbon,Light 8.22188923076923 1.52738 14.7296 Low carbon,Dark 19.4984 19.4984 19.4984 Phloroglucinol 7.426306666666666 5.08045 11.0475 Silicon starvation,12h 21.7733 21.7733 21.7733